云计算中采用Java框架进行容器化

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

    @GetMapping("/")
    public String hello() {
        return "Hello from Java container!";
    }

}

FROM openjdk:11-jre-slim

WORKDIR /app

COPY target/*.jar app.jar

ENTRYPOINT ["java", "-jar", "app.jar"]

docker build -t java-container .

apiVersion: apps/v1
kind: Deployment
metadata:
  name: java-container
  labels:
    app: java-container
spec:
  replicas: 1
  selector:
    matchLabels:
      app: java-container
  template:
    metadata:
      labels:
        app: java-container
    spec:
      containers:
      - name: java-container
        image: java-container
        ports:
        - containerPort: 8080

apiVersion: v1
kind: Service
metadata:
  name: java-container
  labels:
    app: java-container
spec:
  type: NodePort
  selector:
    app: java-container
  ports:
  - port: 80
    targetPort: 8080
    nodePort: 30000

kubectl apply -f deployment.yaml
kubectl apply -f service.yaml

curl $(minikube ip):30000